<label class="gravity-switch">
    <input type="checkbox">
    <span class="slider"></span>
</label>
<style>
/* From Uiverse.io by kamehame-ha - Tags: switch, click effect, gravity, fancy */
.gravity-switch {
  width: 4em;
  height: 2em;
  border-radius: 22px;
  position: relative;
  display: inline-block;
}

.gravity-switch input[type=checkbox] {
  opacity: 0;
  width: 0;
  height: 0;
}

.gravity-switch .slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition-delay: .4s;
  transition: .4s;
  border-radius: 30px;
}

.gravity-switch .slider:before {
  position: absolute;
  content: "";
  height: 1.4em;
  width: 1.4em;
  border-radius: 20px;
  left: 0.3em;
  bottom: 0.3em;
  background-color: white;
  transition-delay: .4s;
  transition: .4s;
}

.gravity-switch input:checked + .slider {
  transform: rotate(90deg);
  transform-origin: 25% 50%;
  background-color: #22c55e;
}

.gravity-switch input:checked+.slider:before {
  transition-delay: 400ms;
  transform: translateX(2em)
}
</style>
